DE69129168T2 - Mikroprozessor, der zur Sicherstellung von flexibler Erholungszeit für eine E/A-Vorrichtung fähig ist - Google Patents

Mikroprozessor, der zur Sicherstellung von flexibler Erholungszeit für eine E/A-Vorrichtung fähig ist

Info

Publication number
DE69129168T2
DE69129168T2 DE69129168T DE69129168T DE69129168T2 DE 69129168 T2 DE69129168 T2 DE 69129168T2 DE 69129168 T DE69129168 T DE 69129168T DE 69129168 T DE69129168 T DE 69129168T DE 69129168 T2 DE69129168 T2 DE 69129168T2
Authority
DE
Germany
Prior art keywords
recovery time
microprocessor capable
flexible recovery
ensuring flexible
ensuring
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE69129168T
Other languages
English (en)
Other versions
DE69129168D1 (de
Inventor
Masashi Tsubota
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Electronics Corp
Original Assignee
NEC Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NEC Corp filed Critical NEC Corp
Application granted granted Critical
Publication of DE69129168D1 publication Critical patent/DE69129168D1/de
Publication of DE69129168T2 publication Critical patent/DE69129168T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
    • G06F9/34—Addressing or accessing the instruction operand or the result ; Formation of operand address; Addressing modes
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38—Information transfer, e.g. on bus
    • G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
    • G06F13/4204—Bus transfer protocol, e.g. handshake; Synchronisation on a parallel bus
    • G06F13/4221—Bus transfer protocol, e.g. handshake; Synchronisation on a parallel bus being an input/output bus, e.g. ISA bus, EISA bus, PCI bus, SCSI bus
    • G06F13/423—Bus transfer protocol, e.g. handshake; Synchronisation on a parallel bus being an input/output bus, e.g. ISA bus, EISA bus, PCI bus, SCSI bus with synchronous protocol
DE69129168T 1990-06-21 1991-06-21 Mikroprozessor, der zur Sicherstellung von flexibler Erholungszeit für eine E/A-Vorrichtung fähig ist Expired - Fee Related DE69129168T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2164900A JP3018404B2 (ja) 1990-06-21 1990-06-21 マイクロプロセッサ

Publications (2)

Publication Number Publication Date
DE69129168D1 DE69129168D1 (de) 1998-05-07
DE69129168T2 true DE69129168T2 (de) 1998-09-03

Family

ID=15802003

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69129168T Expired - Fee Related DE69129168T2 (de) 1990-06-21 1991-06-21 Mikroprozessor, der zur Sicherstellung von flexibler Erholungszeit für eine E/A-Vorrichtung fähig ist

Country Status (5)

Country Link
US (1) US5555559A (de)
EP (1) EP0462622B1 (de)
JP (1) JP3018404B2 (de)
KR (1) KR940009099B1 (de)
DE (1) DE69129168T2 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2256292B (en) * 1991-05-21 1994-11-02 Research Machines Plc A bus timing system of a computer
US5768529A (en) * 1995-05-05 1998-06-16 Silicon Graphics, Inc. System and method for the synchronous transmission of data in a communication network utilizing a source clock signal to latch serial data into first registers and a handshake signal to latch parallel data into second registers
US5812878A (en) * 1996-05-10 1998-09-22 Apple Computer, Inc. System for DMA transfer wherein controller waits before execution of next instruction until a counter counts down from a value loaded by said controller
FR2751444B1 (fr) * 1996-07-18 1998-09-11 France Telecom Procede et dispositif de controle de la synchronisation temporelle entre une unite de traitement, par exemple un microprocesseur, et des moyens exterieurs
JPH11296263A (ja) 1998-04-13 1999-10-29 Fujitsu Ltd プロセッサの初期設定制御装置
JP3765931B2 (ja) * 1998-10-15 2006-04-12 富士通株式会社 バッファ制御方法及びバッファ制御装置

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4507732A (en) * 1981-10-05 1985-03-26 Burroughs Corporation I/O subsystem using slow devices
US4631702A (en) * 1984-02-28 1986-12-23 Canadian Patents and Deveopment Limited--Societe Canadienne des Brevets et d'Exploitation Limitee Computer speed control
JPS6243764A (ja) * 1985-08-21 1987-02-25 Nec Corp バス・ステ−ト制御回路
JPS6366659A (ja) * 1986-09-08 1988-03-25 Nec Corp マイクロコンピユ−タ
US5125088A (en) * 1986-09-08 1992-06-23 Compaq Computer Corporation Computer system speed control at continuous processor speed
US5155812A (en) * 1989-05-04 1992-10-13 Texas Instruments Incorporated Devices and method for generating and using systems, software waitstates on address boundaries in data processing
CA1311309C (en) * 1987-09-28 1992-12-08 Paul R. Culley High speed microprocessor with one-shot timer for 8-bit i/o accesses
JPH01321545A (ja) * 1988-06-23 1989-12-27 Nec Corp バス・ステート制御回路
JPH0276057A (ja) * 1988-09-13 1990-03-15 Toshiba Corp Ｉ／ｏリカバリ方式
US5065313A (en) * 1989-03-30 1991-11-12 Dell Usa Corporation Digital computer system having circuit for regulation of I/O command recovery time
US5220659A (en) * 1989-09-18 1993-06-15 Micral, Inc. System for matching data recovery time between different devices by extending a cycle upon detecting end of cycle
US5021985A (en) * 1990-01-19 1991-06-04 Weitek Corporation Variable latency method and apparatus for floating-point coprocessor

Also Published As

Publication number Publication date
JP3018404B2 (ja) 2000-03-13
EP0462622A3 (en) 1992-12-23
EP0462622A2 (de) 1991-12-27
US5555559A (en) 1996-09-10
DE69129168D1 (de) 1998-05-07
KR940009099B1 (ko) 1994-09-29
KR920001318A (ko) 1992-01-30
EP0462622B1 (de) 1998-04-01
JPH0454553A (ja) 1992-02-21

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: NEC ELECTRONICS CORP., KAWASAKI, KANAGAWA, JP

8339 Ceased/non-payment of the annual fee